6ITG:
reference: Structural insights into a novel Ca(2+)-independent PL-6 alginate lyase from Vibrio OU02 identify the possible subsites responsible for product distribution., Lyu Q, Zhang K, Shi Y, Li W, Diao X, Liu W, Biochim Biophys Acta Gen Subj. 2019 Apr 17;1863(7):1167-1176. doi:, 10.1016/j.bbagen.2019.04.013. PMID: 31004719

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).